Viewing attachments



Dec. 15, 1964 J, W, LANG, JR 3,161,106

VIEWING ATTACHMENTS Filed May ll, 1961 3 Sheets-Sheet l s L'n Ul N I V@john Z, la7/@0177.'

Dec. 15, 1964 J. w. LANG, JR 3,1615

VIEWING ATTACHMENTS Filed May ll, 1961 3 Sheets-Sheet 2 \20a) UH 38a 20 Dec. 15, 1964 J. w. LANG, JR

VIEWING ATTACHMENTS Filed May ll, 1961 WHN 

